2120943 has 8 divisors (see below), whose sum is σ = 3085056. Its totient is φ = 1285400.

The previous prime is 2120941. The next prime is 2120947. The reversal of 2120943 is 3490212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120943 - 2¹ = 2120941 is a prime.

It is a d-powerful number, because it can be written as 2 + 1 + 2²¹ + 0 + 9 + 4⁶ + 3⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32103 + ... + 32168.

It is an arithmetic number, because the mean of its divisors is an integer number (385632).

2^2120943 is an apocalyptic number.

2120943 is a deficient number, since it is larger than the sum of its proper divisors (964113).

2120943 is a wasteful number, since it uses less digits than its factorization.

2120943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64285.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2120943 is about 1456.3457693831. The cubic root of 2120943 is about 128.4822102379.

The spelling of 2120943 in words is "two million, one hundred twenty thousand, nine hundred forty-three".